NODELAY(3XCURSES) X/Open Curses Library Functions NODELAY(3XCURSES)
NAME
nodelay - set blocking or non-blocking read
SYNOPSIS
cc [
flag... ]
file...
-I /usr/xpg4/include
-L /usr/xpg4/lib \
-R /usr/xpg4/lib
-lcurses [
library... ]
c89 [
flag... ]
file...
-lcurses [
library... ]
#include <curses.h>
int nodelay(
WINDOW *win,
bool bf);
PARAMETERS
win Is a pointer to the window in which to enable non-blocking.
bf Is a Boolean expression.
DESCRIPTION
If enabled, (
bf is
TRUE), the
nodelay() function causes
getch(3XCURSES) to return
ERR if no input is ready. When disabled,
getch() blocks until a key is pressed.
RETURN VALUES
On success, the
nodelay() function returns
OK. Otherwise, it returns
ERR.
ERRORS
None.
ATTRIBUTES
See
attributes(7) for descriptions of the following attributes:
+--------------------+-----------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+--------------------+-----------------+
|Interface Stability | Standard |
+--------------------+-----------------+
|MT-Level | Unsafe |
+--------------------+-----------------+
SEE ALSO
getch(3XCURSES),
halfdelay(3XCURSES),
libcurses(3XCURSES),
notimeout(3XCURSES),
attributes(7),
standards(7) June 5, 2002 NODELAY(3XCURSES)